CNC 3M Timing Pulley Belt Set Reducer Ratio 6:1 CNC Engraving Machine Accessories For Nema23 2-phase Stepper Motor
Two shaft center distance : 80MM (3M-306 center distance 64MM)
Small Pulley With Top Screws For Nema23 2-phase Stepper Motor(6.35mm Stepper Motor Shaft only)